The wavelength of light absorbed for the following complexes are in the order [2026]

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Solution

Q.
The wavelength of light absorbed for the following complexes are in the order [2026]

$\begin{matrix} [Co ({NH}_{3})_{6}]^{3 +}; & {[Co {(H_{2} O)}_{6}]}^{3 +}; & {[Co {(CN)}_{6}]}^{3 -}; & {[Co {({NH}_{3})}_{5} (H_{2} O)]}^{3 +}; & {[{CoF}_{6}]}^{3 -} \\ (I) & (II) & (III) & (IV) & (V) \end{matrix}$

1 III < IV < I < II < V

2 III < I < IV < II < V

3 III < I < IV < V < II

4 III < I < II < IV < V

Ans.
(2)

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